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Abstract #0833

Parallel imaging compressed sensing in fully balanced SSFP for prostate brachytherapy MRI without an endorectal coil: a prospective study

Jeremiah W Sanders1, Steven J Frank2, Aradhana M Venkatesan3, Tharakeswara K Bathala3, Chad Tang2, Rajat J Kudchadker4, Teresa L Bruno2, Mark D Pagel5, and Jingfei Ma1
1Imaging Physics, University of Texas MD Anderson Cancer Center, Houston, TX, United States, 2Radiation Oncology, University of Texas MD Anderson Cancer Center, Houston, TX, United States, 3Diagnostic Radiology, University of Texas MD Anderson Cancer Center, Houston, TX, United States, 4Radiation Physics, University of Texas MD Anderson Cancer Center, Houston, TX, United States, 5Cancer Systems Imaging, University of Texas MD Anderson Cancer Center, Houston, TX, United States

Parallel imaging and compressed sensing (PICS) techniques have demonstrated the ability to accelerate MRI acquisitions in a number of clinical MRI protocols. For postimplant prostate brachytherapy MRI, an endorectal coil (ERC) is currently used to achieve images of sufficient signal-to-noise ratio (SNR) for postimplant quality assessment. Previously we retrospectively demonstrated the feasibility of using PICS to accelerate postimplant prostate brachytherapy MRI. In this work, we prospectively demonstrate that combining PICS with fully balanced steady-state free precession MRI enables high resolution and high SNR images of the prostate without an ERC.

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